sFlow

Contact owners and managers

1–30 of 161

This mailing list provides an open forum for discussing the use, implementation and development of sFlow and sFlow related tools.

See https://sflow.org/ for more information on sFlow.

0 selected

Eran Dahan, … Neil McKee9

Mar 13

sflow discarded sample with queue depth\size

Hi, Thank you Peter for the detailed answer regarding type 1019 and thank you Neil for the update of

unread,

sflow discarded sample with queue depth\size

Hi, Thank you Peter for the detailed answer regarding type 1019 and thank you Neil for the update of

Mar 13

Eran Dahan

Mar 11

sFlow discarded sample with queue size

Hi, From reviewing the sFlow docs and the sflowtool code, I understand that when sending a sflow

unread,

sFlow discarded sample with queue size

Hi, From reviewing the sFlow docs and the sflowtool code, I understand that when sending a sflow

Mar 11

Vasiliy Perelygin, Peter Phaal3

Feb 13

Traffic accounting for every flow

Thank you very much, Peter! вторник, 13 февраля 2024 г. в 03:01:59 UTC+3, Peter Phaal: Each data

unread,

Traffic accounting for every flow

Thank you very much, Peter! вторник, 13 февраля 2024 г. в 03:01:59 UTC+3, Peter Phaal: Each data

Feb 13

Vinu Chandran, Peter Phaal2

Jan 31

Query on sflow extended bgp src_as and dst_as

It's not clear what nfdump is doing with the sFlow since most fields appear to be missing. Have

unread,

Query on sflow extended bgp src_as and dst_as

It's not clear what nfdump is doing with the sFlow since most fields appear to be missing. Have

Jan 31

Dmitry Kozlyuk, … Peter Phaal4

4/22/23

TCP flags and IPv4 ToS format

If you are trying to implement an sFlow exporter, you might want to take a look at Host sFlow as a

unread,

TCP flags and IPv4 ToS format

If you are trying to implement an sFlow exporter, you might want to take a look at Host sFlow as a

4/22/23

Hanan Shteingart, neil....@inmon.com2

11/27/22

simulating sflow output from existing PCAP

If you compile the latest sflowtool, it has an option for this. git clone https://github.com/sflow/

unread,

simulating sflow output from existing PCAP

If you compile the latest sflowtool, it has an option for this. git clone https://github.com/sflow/

11/27/22

Samar, Peter Phaal2

9/22/22

sFlow Agent question

All sFlow agent implementations are subject to the sFlow license agreement, https://sflow.org/

unread,

sFlow Agent question

All sFlow agent implementations are subject to the sFlow license agreement, https://sflow.org/

9/22/22

Mohamed Oualla, Peter Phaal2

9/10/22

Getting different metrics from mininet

You may want to take mininet-dashboard: https://github.com/sflow-rt/mininet-dashboard The dashboard

unread,

Getting different metrics from mininet

You may want to take mininet-dashboard: https://github.com/sflow-rt/mininet-dashboard The dashboard

9/10/22

InsaN

11/4/21

High and low rate DDoS attack

hello everyone, I'm using 2 thresholds to distinguish between high rate and low rate DDoS attacks

unread,

High and low rate DDoS attack

hello everyone, I'm using 2 thresholds to distinguish between high rate and low rate DDoS attacks

11/4/21

Niteesh Prasad, Peter Phaal4

10/23/21

Trademark Questions

That is correct - you don't need to incorporate sflowtool or sFlow into your product name,

unread,

Trademark Questions

That is correct - you don't need to incorporate sflowtool or sFlow into your product name,

10/23/21

Peter Phaal, … Anoop Ghanwani20

3/17/21

Exporting sampled packet transit delay and queue depth

The final draft has been posted: https://sflow.org/sflow_transit.txt There is now support for the new

unread,

Exporting sampled packet transit delay and queue depth

The final draft has been posted: https://sflow.org/sflow_transit.txt There is now support for the new

3/17/21

alireza tirekar, Peter Phaal2

3/5/21

link utilization

With sFlow-RT, you identify a switch port using the sFlow agent IP address and the SNMP ifIndex. Both

unread,

link utilization

With sFlow-RT, you identify a switch port using the sFlow agent IP address and the SNMP ifIndex. Both

3/5/21

Van Tong, Peter Phaal3

11/12/20

Send few packets of each flow in sFlow

Hi Peter, Thank you very much. Best regards, Van Vào lúc 18:09:35 UTC+1 ngày Thứ Năm, 12 tháng 11,

unread,

Send few packets of each flow in sFlow

Hi Peter, Thank you very much. Best regards, Van Vào lúc 18:09:35 UTC+1 ngày Thứ Năm, 12 tháng 11,

11/12/20

Peter Phaal, Anoop Ghanwani10

10/7/20

sFlow export of packet drop notifications

Hi Peter, Please see inline. Thanks, Anoop On Tue, Oct 6, 2020 at 8:21 PM Peter Phaal <peter.phaal

unread,

sFlow export of packet drop notifications

Hi Peter, Please see inline. Thanks, Anoop On Tue, Oct 6, 2020 at 8:21 PM Peter Phaal <peter.phaal

10/7/20

Dio V, Peter Phaal2

9/21/20

Omit packages dropped by OpenFlow from sFlow samples in mininet

The sFlow packet samples from OVS indicate that the sampled packet was dropped, by setting format=1,

unread,

Omit packages dropped by OpenFlow from sFlow samples in mininet

The sFlow packet samples from OVS indicate that the sampled packet was dropped, by setting format=1,

9/21/20

Michael (Mike) Fink, Peter Phaal4

5/21/20

Egress Sflow of Jumbo Frames

You have it correct. Out of curiosity, it surprises me to hear that fragmentation in a switch is

unread,

Egress Sflow of Jumbo Frames

You have it correct. Out of curiosity, it surprises me to hear that fragmentation in a switch is

5/21/20

anju km

10/31/19

how to implement ddos attack on ONOS controller

Hai, I am new to the ONOS controller. I want to know about how to implement a DDoS attack on ONOS. if

unread,

how to implement ddos attack on ONOS controller

Hai, I am new to the ONOS controller. I want to know about how to implement a DDoS attack on ONOS. if

10/31/19

pong kan, Peter Phaal2

10/7/19

NFSEN error: "missing collector 'sfcapd' for type 'sflow' "

This looks like an issue with nfsen: https://success.alienvault.com/s/question/0D50Z00008oGsIU/sflow-

unread,

NFSEN error: "missing collector 'sfcapd' for type 'sflow' "

This looks like an issue with nfsen: https://success.alienvault.com/s/question/0D50Z00008oGsIU/sflow-

10/7/19

Kapil Gupta, … Peter Phaal4

8/1/19

How to identify direction of sampled packet in sFlow?

On Thursday, August 1, 2019 at 2:46:20 PM UTC-7, Francois Labonte wrote: On Wednesday, January 10,

unread,

How to identify direction of sampled packet in sFlow?

On Thursday, August 1, 2019 at 2:46:20 PM UTC-7, Francois Labonte wrote: On Wednesday, January 10,

8/1/19

Saputra

7/29/19

sFlow packet capture size

I want to ask something about the size of packet that sFlow capture, I send packet ping (ICMP) whose

unread,

sFlow packet capture size

I want to ask something about the size of packet that sFlow capture, I send packet ping (ICMP) whose

7/29/19

anu mercian, … Peter Phaal5

7/28/19

sflowtool -H

Hi Peter, Thank you very much for your explanation. Thank you, Anu On Monday, July 22, 2019 at 12:58:

unread,

sflowtool -H

Hi Peter, Thank you very much for your explanation. Thank you, Anu On Monday, July 22, 2019 at 12:58:

7/28/19

522690, Peter Phaal3

7/25/19

How does sFlow count traffic statistics?

Thanks for reply and links, it is clear for me now. чт, 25 июл. 2019 г. в 20:45, Peter Phaal <

unread,

How does sFlow count traffic statistics?

Thanks for reply and links, it is clear for me now. чт, 25 июл. 2019 г. в 20:45, Peter Phaal <

7/25/19

anu mercian, … Zahra Hosseini6

7/18/19

Not able to parse JSON output from sflowtool

Thank you for your response. The latest release of the tool now works with python json parser library

unread,

Not able to parse JSON output from sflowtool

Thank you for your response. The latest release of the tool now works with python json parser library

7/18/19

Mohamed Abbas, Peter Phaal5

6/17/19

How shall i get these flow metrics (srcIp, dstIp, srcPort, dstPort, protcol number, size of first three packets) from the sFlow mininet?

Thanks for the info, Peter. On Mon, Jun 17, 2019 at 10:31 AM Peter Phaal <peter...@gmail.com

unread,

How shall i get these flow metrics (srcIp, dstIp, srcPort, dstPort, protcol number, size of first three packets) from the sFlow mininet?

Thanks for the info, Peter. On Mon, Jun 17, 2019 at 10:31 AM Peter Phaal <peter...@gmail.com

6/17/19

Sara Escribano, Peter Phaal4

11/7/18

How to get RTT with sFlow?

Please see reply on the sFlow-RT mailing list (https://sflow-rt.com/community.php) On Wednesday,

unread,

How to get RTT with sFlow?

Please see reply on the sFlow-RT mailing list (https://sflow-rt.com/community.php) On Wednesday,

11/7/18

Suraj Gour, … Peter Phaal7

8/23/18

Arista vEOS - sFlow

Thanks Peter. Will proceed accordingly now. -Suraj On Fri, 24 Aug 2018, 02:05 Peter Phaal, <peter.

unread,

Arista vEOS - sFlow

Thanks Peter. Will proceed accordingly now. -Suraj On Fri, 24 Aug 2018, 02:05 Peter Phaal, <peter.

8/23/18

Mehdi Moshiri, Peter Phaal3

6/27/18

sflow loadbalancing

what is the sflowtool load balancing method to replicate the input sflow stream to several collectors

unread,

sflow loadbalancing

what is the sflowtool load balancing method to replicate the input sflow stream to several collectors

6/27/18

Mehdi Moshiri, Peter Phaal2

6/24/18

sflow agent c code compile and execution

On Sunday, June 24, 2018 at 12:05:15 AM UTC-7, Mehdi Moshiri wrote: We need to analyse the sflow

unread,

sflow agent c code compile and execution

On Sunday, June 24, 2018 at 12:05:15 AM UTC-7, Mehdi Moshiri wrote: We need to analyse the sflow

6/24/18

janklaas.kes...@gmail.com, Peter Phaal3

6/21/18

understanding sFlowFsTable and sFlow instances

Hi, thanks for the reply and for the clarification. Much appreciated. JK. On Tuesday, June 19, 2018

unread,

understanding sFlowFsTable and sFlow instances

Hi, thanks for the reply and for the clarification. Much appreciated. JK. On Tuesday, June 19, 2018

6/21/18

Peter Phaal, … Vrushali Bhutada6

6/18/18

Export of host TCP performance metrics

Mininet creates a separate network name space for each emulated host. The TCP state information is

unread,

Export of host TCP performance metrics

Mininet creates a separate network name space for each emulated host. The TCP state information is

6/18/18